作者: Floyd E. Buschbom
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摘要: A motor vehicle having a plurality of drive wheels and steerable wheel. The wheel is rotatably mounted on the frame with an upright steering post. hydraulic powered transversely movable cylinder connected to sprocket post pair chains. linearly relative piston transverse rod. Adjustable members connect opposite ends rod hold in linear tension. supplied fluid under pressure from pump driven by internal combustion engine. control valve spool controls flow thereby vehicle.